Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: quantas vezes o código de produção é 201a?
 ###Tabelas: CREATE TABLE the_legend_of_the_ice_people (the_legend_of_the_ice_people_id AUTO_INCREMENT PRIMARY KEY, Swedish title VARCHAR, Norwegian title VARCHAR, Icelandic title VARCHAR, Translated title VARCHAR, Polish title VARCHAR, Hungarian title VARCHAR, Published INT) CREATE TABLE 4-6-2 (4-6-2_id AUTO_INCREMENT PRIMARY KEY, Class VARCHAR, Wheel arrangement VARCHAR, Fleet number(s) VARCHAR, Manufacturer VARCHAR, Serial numbers VARCHAR, Year made VARCHAR, Quantity made VARCHAR, Quantity preserved VARCHAR, Year(s) retired VARCHAR) CREATE TABLE suburbs (suburbs_id AUTO_INCREMENT PRIMARY KEY, Suburb VARCHAR, Population (in 2008) INT, Median age (in 2006) VARCHAR, Mean household size (in 2006) VARCHAR, Area (km²) VARCHAR, Density (/km²) INT, Date first settled as a suburb INT, Gazetted as a Division Name VARCHAR) CREATE TABLE season_calendar (season_calendar_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Country VARCHAR, Circuit VARCHAR, Sprint Winner VARCHAR, Feature Winner VARCHAR, Report VARCHAR) CREATE TABLE season_2_1995 (season_2_1995_id AUTO_INCREMENT PRIMARY KEY, No. in series VARCHAR, No. in season VARCHAR, Title VARCHAR, Directed by VARCHAR, Written by VARCHAR, Original air date VARCHAR, Production code VARCHAR)  
SELECT COUNT Title FROM season_2_1995 WHERE Production code = 201a